package leet.ku._100;

class TreeNode {
	int val;
	TreeNode left;
	TreeNode right;

	TreeNode(int x) {
		val = x;
	}
}

public class Solution {
	
	public boolean isSameTree(TreeNode p, TreeNode q) {
		if (p == null && q == null)
			return true;
		if (p == null || q == null)
			return false;
		return (p.val == q.val) && isSameTree(p.left, q.left) && isSameTree(p.right, q.right);
	}
}